"""`Singleton` provider resetting example.""" from dependency_injector import containers, providers class UserService: ... class Container(containers.DeclarativeContainer): user_service = providers.Singleton(UserService) if __name__ == "__main__": container = Container() user_service1 = container.user_service() container.user_service.reset() user_service2 = container.user_service() assert user_service2 is not user_service1